DE102009056124B4 - Deep-drawn plastic formed part - Google Patents

Deep-drawn plastic formed part Download PDF

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Publication number
DE102009056124B4
DE102009056124B4 DE102009056124.2A DE102009056124A DE102009056124B4 DE 102009056124 B4 DE102009056124 B4 DE 102009056124B4 DE 102009056124 A DE102009056124 A DE 102009056124A DE 102009056124 B4 DE102009056124 B4 DE 102009056124B4
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DE
Germany
Prior art keywords
housing shell
formed part
layer
base coat
until
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE102009056124.2A
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German (de)
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DE102009056124A1 (en
Inventor
Prof. Dr. Drummer Dietmar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oechsler AG
Original Assignee
Oechsler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200910019495 external-priority patent/DE102009019495B4/en
Application filed by Oechsler AG filed Critical Oechsler AG
Priority to DE102009056124.2A priority Critical patent/DE102009056124B4/en
Priority to TW099107185A priority patent/TWI555626B/en
Priority to US13/257,612 priority patent/US9028936B2/en
Priority to MX2011011291A priority patent/MX2011011291A/en
Priority to PCT/EP2010/002156 priority patent/WO2010127749A1/en
Priority to CA2755931A priority patent/CA2755931C/en
Priority to CN201080020133.5A priority patent/CN102427925B/en
Publication of DE102009056124A1 publication Critical patent/DE102009056124A1/en
Publication of DE102009056124B4 publication Critical patent/DE102009056124B4/en
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C45/14221—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/70—Removing or ejecting blown articles from the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • B29C51/004—Textile or other fibrous material made from plastics fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C2045/0093—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of articles provided with an attaching element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
    • B29C2045/14245—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity using deforming or preforming means outside the mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C2045/14459—Coating a portion of the article, e.g. the edge of the article injecting seal elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0845—Woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2713/00—Use of textile products or fabrics for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0087—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/005—Layered products coated
    • B29L2009/006—Layered products coated painted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B29L2031/3061—Number plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3431—Telephones, Earphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3431—Telephones, Earphones
    • B29L2031/3437—Cellular phones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3481—Housings or casings incorporating or embedding electric or electronic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casings For Electric Apparatus (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

Aus einem, aus einer thermoplastisch getränkten Matte aus sich wenigstens zweilagig kreuzenden langen Fasern tiefgezogenen, Kunststoff-Umformteil nach einem der Patentansprüche 2 bis 6 des Hauptpatentes DE 10 2009 019 495 B4 gebildete Gehäuseschale, dadurch gekennzeichnet, dass sie eine ihre Oberflächengüte erhöhende mehrschichtige Lackierung trägt.A housing shell formed from a thermoplastically impregnated mat made of long fibers that cross each other in at least two layers, according to one of claims 2 to 6 of the main patent DE 10 2009 019 495 B4, characterized in that it has a multi-layer coating that increases its surface quality .

Description

Die Erfindung betrifft ein Umformteil gemäß dem Hauptpatent.The invention relates to a formed part according to the main patent.

Bei solchem Umformteil hat sich herausgestellt, dass die Halbzeugstrukturen des heißverpressten Faserverbundes nach dem Erkaltungsschwund an den Oberflächen des Werkstückes als leicht pockennarbenartige Unebenheiten unruhig in Erscheinung treten. Für durchgehend glatte und glänzende Oberflächenbereiche, wie sie etwa aus haptischen Gründen oder für Sichtflächen am Umformteil erwünscht sein können, ist deshalb noch eine funktionsoptimierende Oberflächenveredelung angebracht. Relevanter Stand der Technik ist der US 2007 / 0 035 739 A1 zu entnehmen.With such a formed part it has been found that the semi-finished structures of the hot-pressed fiber composite appear unevenly as slightly pockmark-like unevenness on the surfaces of the workpiece after the cooling shrinkage. For consistently smooth and shiny surface areas, such as may be desired for haptic reasons or for visible surfaces on the formed part, a function-optimizing surface finish is therefore appropriate. Relevant state of the art can be found in US 2007/0 035 739 A1.

Dafür kommt grundsätzlich ein Auflamieren von Finish-Folien in Betracht. Das ist allerdings, selbst bei nicht dreidimensional verformten sondern ebenen Oberflächen, wegen der pressformbedingt abgerundeten Seitenränder des Umformteiles problematisch, weil hierdurch eine rundum schälfeste Anbindung der Folie kritisch ist; zumal die Folie relativ dick sein muß, damit die unebene Oberfläche des Umformteiles sie nicht durchprägt. Auch eine Metallbedampfung würde das ungewünschte Oberflächenprofil des heißgepressten Umformteiles wiedergeben.For this, a lamination of finish foils is fundamentally possible. However, this is problematic, even with flat surfaces that are not three-dimensionally deformed, because of the rounded side edges of the formed part due to the press form, because this makes an all-round peel-resistant connection of the film critical; especially since the film must be relatively thick so that the uneven surface of the formed part does not impress it. Metal vapor deposition would also reproduce the undesired surface profile of the hot-pressed formed part.

In Erkenntnis dieser Gegebenheiten liegt vorliegender Erfindung die technische Problemstellung zugrunde, die haptische und optische Oberflächengüte des aus Faserverbundhalbzeug pressgeformten Werkstückes zu verbessern.Recognizing these facts, the present invention is based on the technical problem of improving the haptic and optical surface quality of the workpiece press-formed from fiber composite semifinished products.

Diese Aufgabe wird erfindungsgemäß nach den im Hauptanspruch angegebenen wesentlichen Merkmalen gelöst. Danach wird eine für Sicht- oder Handhabungsflächen wünschenswerte Oberflächengüte im Sinne einer glatten, glänzenden Oberfläche durch einen, je nach den Anforderungen regional begrenzten oder auch vollflächigen, vorzugsweise mehrfachen Ladeauftrag gelöst. Dessen relativ stark auftragender Grundanstrich wirkt als Haftvermittler mit dem Untergrund, also auf der Oberfläche des Umformteiles, und dient zugleich dem Schlichten dieser Oberfläche, so dass deren unebene Narbenstruktur nach dem Grundanstrich nicht mehr zur Geltung kommt. Auf den werden in wenigstens einer weiteren Schicht Farbpigmente in ihren Bindemitteln aufgebracht, und auf die wird schließlich ein transparenter Decklack appliziert, der den erwünschten Glanz erbringt und zugleich für die Lichtbeständigkeit der Einfärbung sorgt.According to the invention, this object is achieved according to the essential features specified in the main claim. Thereafter, a surface quality that is desirable for visible or handling surfaces in the sense of a smooth, shiny surface is achieved by a regionally limited or even full-surface, preferably multiple, charging application, depending on the requirements. Its relatively thick primer coat acts as an adhesion promoter with the substrate, i.e. on the surface of the formed part, and at the same time serves to smooth this surface so that its uneven grain structure no longer comes into its own after the primer coat. Color pigments in their binders are applied to it in at least one further layer, and finally a transparent topcoat is applied to it, which provides the desired gloss and at the same time ensures the color's resistance to light.

Die Viskosität des Lack-Lösungsmittels kann dabei gemäß den Oberflächen-Vorgaben und hinsichtlich Größe und Topographie des zu vergütenden Oberflächenbereiches eingestellt werden, um so, über die Fließeigenschaften, eine rasche, gleichmäßige Benetzung und dadurch über den gesamten vorgegebenen Oberflächenbereich hinweg homogene optische Eigenschaften zu erzielen, so dass dieses Umformteil auch als optisches Bauteil eingesetzt werden kann.The viscosity of the paint solvent can be adjusted according to the surface specifications and with regard to the size and topography of the surface area to be treated, in order to achieve rapid, uniform wetting via the flow properties and thus homogeneous optical properties over the entire specified surface area so that this formed part can also be used as an optical component.

Insbesondere für mechanisch höher beanspruchbare und dafür härtere Oberflächenbereiche wird gemäß einer zusätzlichen Weiterbildung vorliegender Erfindung der Einsatz von, vorzugsweise lösungsmittelfreiem, Mehr-, insbesondere Zweikomponentenlack zum Erzeugen der Glanzschicht bevorzugt, da solch ein Lack aufgrund chemischer Reaktion seiner Komponenten auf der unmittelbar damit kaschierten Oberfläche oder auch auf dem Grundanstrich ohne Trocknungserfordernisse aushärtet.According to an additional development of the present invention, the use of preferably solvent-free, multi-component, in particular two-component paint is preferred in particular for mechanically more stressable and therefore harder surface areas, since such a paint due to chemical reaction of its components on the surface directly laminated with it or hardens even on the base coat without drying requirements.

Claims (7)

Aus einem, aus einer thermoplastisch getränkten Matte aus sich wenigstens zweilagig kreuzenden langen Fasern tiefgezogenen, Kunststoff-Umformteil nach einem der Patentansprüche 2 bis 6 des Hauptpatentes DE 10 2009 019 495 B4 gebildete Gehäuseschale, dadurch gekennzeichnet, dass sie eine ihre Oberflächengüte erhöhende mehrschichtige Lackierung trägt.From a thermoformed plastic formed part according to one of the, from a thermoplastically impregnated mat made of at least two layers of intersecting long fibers Claims 2 until 6th of the main patent DE 10 2009 019 495 B4 formed housing shell, characterized in that it has a multi-layer coating which increases its surface quality. Gehäuseschale nach Anspruch 1, dadurch gekennzeichnet, dass ein, von der Mattenstruktur herrührende Unebenheiten schlichtender, Grundanstrich auf ihre Oberfläche aufgebracht ist.Housing shell after Claim 1 , characterized in that a primer coating is applied to its surface to smooth out unevenness resulting from the mat structure. Gehäuseschale nach Anspruch 2, dadurch gekennzeichnet, dass ein als Haftvermittler auf der Oberfläche wirkender Grundanstrich vorgesehen ist.Housing shell after Claim 2 , characterized in that a primer coating acting as an adhesion promoter is provided on the surface. Gehäuseschale nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass wenigstens eine Pigmentschicht auf den Grundanstrich aufgebracht ist.Housing shell after Claim 2 or 3 , characterized in that at least one pigment layer is applied to the base coat. Gehäuseschale nach Anspruch 4, dadurch gekennzeichnet, dass die auf den Grundanstrich aufgebrachte Pigmentschicht von einer transparenten Lackschicht überdeckt ist.Housing shell after Claim 4 , characterized in that the pigment layer applied to the base coat is covered by a transparent lacquer layer. Gehäuseschale nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Viskosität des Lack-Lösungsmittels für infolge gleichmäßiger Benetzung eines vorgegebenen Oberflächenbereiches homogene optische Eigenschaften eingestellt istHousing shell according to one of the preceding claims, characterized in that the viscosity of the lacquer solvent is set for optical properties that are homogeneous as a result of uniform wetting of a predetermined surface area Gehäuseschale nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass ein infolge chemischer Reaktion unmittelbar aushärtender Mehrkomponentenlack aufgebracht ist.Housing shell according to one of the Claims 1 until 5 , characterized in that a result chemical reaction immediately hardening multi-component paint is applied.
DE102009056124.2A 2009-05-04 2009-11-30 Deep-drawn plastic formed part Active DE102009056124B4 (en)

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DE102009056124.2A DE102009056124B4 (en) 2009-05-04 2009-11-30 Deep-drawn plastic formed part
TW099107185A TWI555626B (en) 2009-05-04 2010-03-12 Housing shell for portable electrical devices and method for the production thereof
PCT/EP2010/002156 WO2010127749A1 (en) 2009-05-04 2010-04-06 Housing shell for portable electrical devices and method for the production thereof
MX2011011291A MX2011011291A (en) 2009-05-04 2010-04-06 Housing shell for portable electrical devices and method for the production thereof.
US13/257,612 US9028936B2 (en) 2009-05-04 2010-04-06 Housing shell for portable electrical devices and method for the production thereof
CA2755931A CA2755931C (en) 2009-05-04 2010-04-06 Housing shell for portable electrical devices and method for the production thereof
CN201080020133.5A CN102427925B (en) 2009-05-04 2010-04-06 Housing shell for portable electrical devices and method for the production thereof

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CA2755931C (en) 2014-09-23
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